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Derivative Activities - Schedule of Additional Information Related to Master Netting Arrangements with Derivative Counterparties (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | $ 432,790 us-gaap_DerivativeFairValueOfDerivativeAsset | $ 404,118 us-gaap_DerivativeFairValueOfDerivativeAsset
Gross Amounts Offset in the Balance Sheet | (2,935)us-gaap_DerivativeAssetFairValueGrossLiability | (755)us-gaap_DerivativeAssetFairValueGrossLiability
Net Amounts of Assets Presented in the Balance Sheet | 429,855 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral | 403,363 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Gross Amounts of Recognized (Liabilities) | (4,077)us-gaap_DerivativeFairValueOfDerivativeLiability | (755)us-gaap_DerivativeFairValueOfDerivativeLiability
Gross Amounts Offset in the Balance Sheet | 2,935 us-gaap_DerivativeLiabilityFairValueGrossAsset | 755 us-gaap_DerivativeLiabilityFairValueGrossAsset
Net Amounts of (Liabilities) Presented in the Balance Sheet | (1,142)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
Natural Gas | Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 242,156 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 198,740 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Gross Amounts Offset in the Balance Sheet | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Net Amounts of Assets Presented in the Balance Sheet | 242,156 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 198,740 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Natural Gas | Collars |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 51,439 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 57,460 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Gross Amounts Offset in the Balance Sheet | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Net Amounts of Assets Presented in the Balance Sheet | 51,439 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 57,460 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = rrc_CollarsMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Natural Gas | Basis Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 1,211 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 2,442 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Gross Amounts Offset in the Balance Sheet | (1,487)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | (755)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Net Amounts of Assets Presented in the Balance Sheet | (276)us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 1,687 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Gross Amounts of Recognized (Liabilities) | (2,629)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | (755)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Gross Amounts Offset in the Balance Sheet | 1,487 us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 755 us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Net Amounts of (Liabilities) Presented in the Balance Sheet | (1,142)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_BasisSwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNaturalGasMember
Crude Oil | Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 113,693 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember | 128,578 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember
Gross Amounts Offset in the Balance Sheet | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember
Net Amounts of Assets Presented in the Balance Sheet | 113,693 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember | 128,578 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractCrudeOilMember
Commodity Contract NGLs (C3 - Propane) | Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 15,883 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember | 14,727 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember
Gross Amounts Offset in the Balance Sheet | (1,448)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember
Net Amounts of Assets Presented in the Balance Sheet | 14,435 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember | 14,727 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember
Gross Amounts of Recognized (Liabilities) | (1,448)us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember |
Gross Amounts Offset in the Balance Sheet | 1,448 us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember |
Net Amounts of (Liabilities) Presented in the Balance Sheet | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCThreePropaneMember |
Commodity Contract NGLs (NC4 - Normal Butane) | Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 4,687 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsNCFourNormalButaneMember |
Gross Amounts Offset in the Balance Sheet | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsNCFourNormalButaneMember |
Net Amounts of Assets Presented in the Balance Sheet | 4,687 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsNCFourNormalButaneMember |
Commodity Contract NGLs (C5 - Natural Gasoline) | Swaps |  |
Derivative [Line Items] |  |
Gross Amounts of Recognized Assets | 3,721 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember | 2,171 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember
Gross Amounts Offset in the Balance Sheet | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember
Net Amounts of Assets Presented in the Balance Sheet | $ 3,721 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember | $ 2,171 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeByNatureAxis = us-gaap_SwapMember / us-gaap_DerivativeInstrumentRiskAxis = rrc_CommodityContractNGLsCFiveNaturalGasolineMember

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